# Multiply and Divide Rational Expressions

Videos and lessons to help High School students understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.

### Suggested Learning Targets

- Simplify rational expressions by adding, subtracting,
**multiplying, or dividing**.
- Understand that rational expressions are closed under addition, subtraction, multiplication, and division
(by a nonzero expression).

Common Core: HSA-APR.D.7

Related Topics:

Common Core (Algebra)

Common Core for Mathematics

Multiplying and Dividing Rational Expressions

This video explains how to multiply and divide rational expressions.

Ex 1: Multiply Rational Expressions - Monomials

This video provides examples on how to multiply rational expressions when the numerators and denominators are monomials.

Ex 2: Multiply Rational Expressions

This video provides examples on how to multiply rational expressions.

Ex 3: Multiply Rational Expressions

This video provides examples on how to multiply rational expressions.

Ex 4: Multiply Rational Expressions

This video provides examples on how to multiply rational expressions.

Ex 1: Dividing Rational Expressions - Monomials

This video provides examples on how to divide rational expressions when the numerators and denominators are monomials.

Ex 2: Dividing Rational Expressions

This video provides examples on how to divide rational expressions.

Ex 3: Dividing Rational Expressions

This video provides examples on how to divide rational expressions.

In this lesson you will learn to multiply rational expressions by making connections to multiplying rational numbers.

In this lesson you will learn to divide rational expressions by making connections to dividing fractions.

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.